~てはいけない

〜te wa ikenai

JLPT N4 Neutral Chapter 36: Must and may, 7 of 12

Formation

Verb-て-form + はいけない

Expresses prohibition; 'must not', 'cannot'.

When to use

Everyday prohibition; common in daily instructions and rules (including for children) - less stiff than てはならない.

Explanation

The ~てはいけない grammar point is used to express strict prohibition or something that must not be done. It can be translated as 'must not', 'cannot', or 'should not' in English. It is formed by adding て-form of a verb followed by はいけない.

Example sentences

Permission And Prohibition (May / Must Not)

Corpus examples (60)

Showing 25 of 60 corpus examples.